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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Ephemerella aurivillii Mayfly Nymph Pictures

I have collected this species in Montana but it is very common in Alaska streams.

This mayfly was collected from the Kwethluk River in Alaska on June 19th, 2010 and added to Troutnut.com by Bnewell on June 26th, 2011.


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Ephemerella aurivillii Mayfly Nymph Pictures

Collection details
Location: Kwethluk River, Alaska
Date: June 19th, 2010
Added to site: June 26th, 2011
Author: Bnewell
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